ArrowSeason 4

After being gone for five years, during which he suffered unimaginable ordeals, billionaire Oliver Queen returned home to Starling City with a mysterious agenda and a set of new skills that he uses in a war on crime in this hard-hitting action series. Reinventing the DC Comics character for a modern-day audience, the Arrow is not a super hero ... but a hero -- every bit as formidable as the criminals he's hunting. Determined to right his city's wrongs and sworn to bring justice to those who have corrupted it, Oliver (aka The Arrow) -- with the help of former military vet John Diggle, the tech-savvy Felicity Smoak, billionaire inventor Ray Palmer, lawyer-turned-vigilante Laurel Lance and the newest member of the team, his sister Thea -- protects the people most in need and acts as a weapon of justice against those who prey upon them. Uneasy alliances and rivalries shift as Oliver faces his most difficult challenge yet -- facing Ra's al Ghul and the League of Assassins.

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Cast

Episode guide

01 - Green Arrow

After being gone for five years, during which he suffered unimaginable ordeals, billionaire Oliver Queen (series star STEPHEN AMELL) returned home to Star City with a mysterious agenda and a set of new skills that he uses in a war on crime in this hard-hitting action series.

Reinventing the DC Comics character for a modern-day audience, the Arrow is not a super hero ... but a hero - every bit as formidable as the criminals he's hunting. Determined to right his city's wrongs and sworn to bring justice to those who have corrupted it, Oliver (aka The Arrow) - with the help of former military vet John Diggle (series star DAVID RAMSEY), the tech-savvy Felicity Smoak (series star EMILY BETT RICKARDS), lawyer-turned-vigilante Laurel Lance (series star KATIE CASSIDY) and the newest member of the team, his sister Thea (series star WILLA HOLLAND) - protects the people most in need and acts as a weapon of justice against those who prey upon them.

Having defeated Ra's al Ghul and the League of Assassins at the end of Season Three with the help of his team and Detective Quentin Lance (series star PAUL BLACKTHORNE), Oliver hung up his hood as the Arrow and left the city behind with his longtime love, Felicity. With the League of Assassins now under the control of Malcolm Merlyn (series star JOHN BARROWMAN), things appear quiet back home, until a new villain surfaces in Star City...prompting a return of the Green Arrow.

In the season four premiere episode, Oliver and Felicity's blissful getaway is cut short when Thea and Laurel pay them a visit and tell Oliver they need his help back in Star City. The city has been attacked by "Ghosts" - assassins led by a dangerous man named Damien Darhk (new series regular NEAL MCDONOUGH). When Oliver returns, however, Diggle makes it very clear that he doesn't want Oliver on the team.

02 - The Candidate

When an old family friend, Jessica Danforth (guest star JERI RYAN), tells Oliver and Thea that she is going to run for mayor, both Queens are concerned - considering the last three mayors have been murdered. Despite their protests, Jessica makes her announcement; so the Green Arrow and Speedy vow to protect her. Meanwhile, Thea begins to exhibit effects from the Lazarus Pit. In addition, Felicity is faced with a tough business decision and looks to one of her employees, Curtis Holt (guest star ECHO KELLUM), for help.

03 - Restoration

The growing tension between Oliver and Diggle puts both their lives at risk when they go after Damien Darhk and a H.I.V.E. deployed meta-human. Meanwhile, Laurel talks Thea into returning to Nanda Parbat to ask her father to put Sara into the Lazarus Pit. However, Laurel is surprised when Nyssa al Ghul (recurring guest star KATRINA LAW) refuses to do it.

04 - Beyond Redemption

Laurel must deal with the repercussions of taking Sara (guest star CAITY LOTZ) to Nanda Parbat. Meanwhile, Oliver asks Captain Lance for a favor. And while he's not surprised at the response, he is surprised at what he finds out next.

05 - Haunted

When things take a turn for the worse with Sara (guest star CAITY LOTZ), Oliver calls in a favor from an old friend who deals in the mystical, John Constantine (guest star MATT RYAN).

06 - Lost Souls

Felicity is frantic when she learns that Ray Palmer (guest star BRANDON ROUTH) is alive and being held by Damien Darhk. Felicity's guilt over not finding Ray sooner causes tension between her and Oliver. Meanwhile, Sara joins Laurel, Thea and the team on a rescue mission for Ray. However, the effects of the Lazarus Pit take over and threaten to jeopardize the entire operation. And Felicity's mother, Donna (recurring guest star CHARLOTTE ROSS) returns to Star City.

07 - Brotherhood

Team Green Arrow's ongoing battle with Damien Darhk is complicated by a shocking revelation. Meanwhile, Thea's bloodlust returns and she loses control in front of Alex (guest star PARKER YOUNG).